Re: Apache Performance Question (Apache Users)

Thank you so much Philip, another question.

I see MaxClients in 2 files:
extra\httpd-mpm.conf and
original\extra\httpd-mpm.conf
I assume I should change the one in extra directory or?

Also, I see in both of these files, 3 areas: "prefork MPM" (set to 150), "worker MPM" (set to 150), and "BeOS MPM" (set to 50).
I assume I use the "worker MPM" or? And what should I set it to

In regards to ServerLimit, I see it in none of Apache 2.2 config files. Where do I find this?

Much appreciated

On Thu, Jul 23, 2015 at 5:14 AM, Philip Wigg <phil@xxxxxxxxxxxxxxxx> wrote:

Hi,

There is a limit on the number of concurrent connections that Apache will serve.

See if you can find the 'LogLevel' directive in your configuration and
then set it to 'info'. Apache will then print warnings in your error
log if you're reaching those limits.

http://httpd.apache.org/docs/2.2/mod/core.html#loglevel

You can also use the /server-status page to check this:-

http://httpd.apache.org/docs/2.2/mod/mod_status.html

or for a rough point-in-time estimate you can simply use 'netstat' to
see how many established connections you have to your HTTP port
(probably port 80).

The command:-

netstat -tan | grep ':80' | grep EST | wc -l

is quite possibly what you need depending on your OS and Apache
version which will count the established connections to port 80 on
Linux.

If you do need to increase the number of concurrent connections, you
will probably need to raise MaxClients and ServerLimit.

See - http://httpd.apache.org/docs/2.2/mod/mpm_common.html#maxclients

Hope that helps.

Phil.

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